1313265 has 16 divisors (see below), whose sum is σ = 2174400. Its totient is φ = 676032.

The previous prime is 1313239. The next prime is 1313293. The reversal of 1313265 is 5623131.

It is not a de Polignac number, because 1313265 - 2¹¹ = 1311217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (135900).

2^1313265 is an apocalyptic number.

1313265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313265 is a deficient number, since it is larger than the sum of its proper divisors (861135).

1313265 is a wasteful number, since it uses less digits than its factorization.

1313265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its digits is 540, while the sum is 21.

The square root of 1313265 is about 1145.9777484751. The cubic root of 1313265 is about 109.5092463158.

Adding to 1313265 its reverse (5623131), we get a palindrome (6936396).

The spelling of 1313265 in words is "one million, three hundred thirteen thousand, two hundred sixty-five".